Initializing bookstore catalog
Please insert file to read from: list.txt
List initialized...

1) Search for book title
2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
3

Book List Contents:
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List: Classic Books
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Title: The Grapes of Wrath Author: John Steinbeck Price: 10.5
Title: On the Road Author: Jack Kerouac Price: 20.99
Title: Sun Also Rises Author: Ernest Hemingway Price: 12.12
Title: The Old Man and The Sea Author: Ernest Hemingway Price: 15.35
===========

1) Search for book title
2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
4
Give price margin: 15
There are 2 books that cost less than 15.0

1) Search for book title
2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
1
Give book title: On the Road
Book found!
Title: On the Road Author: Jack Kerouac Price: 20.99

1) Search for book title
2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
2
Give author name: Ernest Hemingway
Ernest Hemingway books:
==========
Title: Sun Also Rises Author: Ernest Hemingway Price: 12.12
Title: The Old Man and The Sea Author: Ernest Hemingway Price: 15.35

1) Search for book title
2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
2
Give author name: John Doe
No books of John Doe in list.

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2) Search for books by author
3) Print list contents
4) Find number of books costing less than a price
5) Exit
5
Goodbye!